Trail Running calendar near Marlborough 2026-2027

We have found 482 Trailruns within 80 miles of Marlborough. See below where and when you can find the races.

Run a guided Chilterns Trail Marathon along the Ridgeway and through Wendover Woods, featuring rolling hills and expert leaders offering pacing and technique tips. Small field, halfway refreshments and a wooden finisher medal make for a sce..

Enjoy a family friendly day in Froyle with a scenic 10 km trail through fields and woods and a colourful Kids Colour Dash for ages 4 to 12. Village hall cakes, picnic space and on course support make it a relaxed community event.

The Big Cheese is an off road fell race in Cheddar, Somerset, covering 15 miles across the Mendip Hills with over 2,000 ft of climb. Take on a fully marked course and enjoy a finisher's medal plus tea and cake at the end.

Tackle the Kymin Dash, a 7 mile road and trail race from Monmouth that climbs to the Round House for panoramic views before descending through fields and bluebell filled woodland. Enjoy a lively finish at Monmouth School Sports Club with Ki..

Take on the Wild Horse 200 series: two epic 200 mile trail ultramarathons across Welsh trails and mountains. Run the South Wales coast route from Chepstow to Worm's Head in April or the Mid Wales loop from and to Machyntlleth in June.

Take on the inaugural MTC Afanc, a one day ultra of about 39.7 miles along National Cycle Route 8 with over 4,200 ft of ascent. Limited entry and GPS tracking make this intimate but demanding race ideal for seasoned ultrarunners.

Run the scenic Windsor 50 Ultra Challenge on Saturday 18 April 2026 from Windsor Racecourse, with 50 km, 25 km and 10 km looped routes through the Great Park and along the Thames with castle views. Fully supported with rest stops, GPS track..

UTMB Index

Tackle a scenic 51 km ultra along the Chiltern Ridge from Berkhamsted Castle to Wendover, with rolling trails, woods and sweeping views. Well marshalled and UTMB World Series indexed, this classic is a true Chiltern challenge.

UTMB Index

Join a guided group trail run along the Malverns ridge from North Malvern, covering 18 miles with over 1300 m of ascent and stunning summit views. Expect steady trails at about 10 to 11 minutes per mile with friendly support and full kit in..

Tackle the Beast of the Beacons in Brecon Beacons National Park with 10, 20 or 40 mile trails across ridges, reservoirs and woodland. Well supported checkpoints, camping and handcrafted trophies await adventurous runners.

Run the Spring Trail Series at Cowdray Estate where the Serpent Trail winds through greensand hills, rivers and woodland. Distances from 12 km to 110 km, with food, camping and relaxed cutoffs for a friendly, well supported day.

UTMB Index

Explore the Black Mountains and Blaenavon World Heritage area from Abergavenny with 20, 30 or 50 mile routes across rugged trails and canal towpaths. Hosted by LDWA South Wales on 18 19 April 2026, ideal for endurance runners and walkers.

Tough but rewarding 10 km fell race around Chingford with 450 m of climbing, hosting the first ever Essex County Championships. Pre entry only and open to Essex eligible runners aged 16 and over, with teams welcome.

Take on a scenic 34.8 mile one day ultra from Merthyr Tydfil to Barry Island along National Cycle Route 8 on 19 April 2026. Limited to 40 runners, this inaugural edition offers an intimate yet epic challenge with a coastal finish.

Martley Madness is a scenic 10 mile trail and country lane race around Rodge Hill on 19 April 2026. Organised by Worcestershire Trailblazers, the event features chip timing, bespoke medals and raises funds for Cardiac Risk in the Young.

Run the rolling trails of the South Downs at the Grand National 10 km Trail Run in Findon, with 10 km, canicross, 5 mile and kids events for all ages. Scenic route, bespoke medals, charity support and a fun Filly or Colt costume prize.

Run the Thames Ring Series along scenic river and canal towpaths with three distances: TR250 full loop, TR150 and TR100 sections. Choose your challenge and enjoy riverside trails, checkpoint support and GPS tracking across this adventure.

The Bath Beat showcases scenic running and walking from Bath into Cotswolds countryside, with distances from 12.5 to 26.5 miles. Checkpoints serve homemade cakes, long routes offer hot meals, and finishers get a medal and warm welcome.

Discover the Butcombe Trail Ultra across the scenic Mendip Hills AONB with 50 mile and 50 km self navigated trail options. This volunteer run event supports the Mendip Hills Fund and is an UTMB index qualifier.

UTMB Index

Run 40 miles along the scenic Monmouthshire and Brecon Canal towpath from Malpas to Brecon Basin on mostly firm, flat terrain. Community run with fully supported checkpoints and a commemorative finish memento.